CN109453904A - It is a kind of continuously to scrape alveolitoid multilayer inflation bottom driving formula flotation device - Google Patents
It is a kind of continuously to scrape alveolitoid multilayer inflation bottom driving formula flotation device Download PDFInfo
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- CN109453904A CN109453904A CN201811604277.XA CN201811604277A CN109453904A CN 109453904 A CN109453904 A CN 109453904A CN 201811604277 A CN201811604277 A CN 201811604277A CN 109453904 A CN109453904 A CN 109453904A
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- Prior art keywords
- flotation
- bubble
- continuously
- alveolitoid
- formula
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/1487—Means for cleaning or maintenance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/16—Flotation machines with impellers; Subaeration machines
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- Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
One kind continuously scraping alveolitoid multilayer inflation bottom driving formula flotation device, including flotation cell, flotation cell are internally provided with mechanical stirring device, annulated column formula microvesicle generators and float skimming device, and mechanical stirring device is located at mineral laden bubble froth bed or less;Annulated column formula microvesicle generators are placed in impeller periphery and top in shellring shape pillar, and air is laterally passed through the bottom annulus of microvesicle generators by flotation cell bottom side opening, reaches inflation purpose;It scrapes bubble operation and bubble is continuously scraped using Double-scraper in turn, and be furnished with long stroke drive pulley.Existing flotation device mechanical stirring device is placed in bottom by the flotation device, is solved the problems, such as middle part foam stagnation and mineralized particles secondary settlement, is conducive to improve floatation indicators;Annulated column formula microvesicle generators advantageously reduce bubble diameter as air charging system, reduce deep gouge region, and froth bed is stably and controllable;Scraping plate of flotation machine is Double-scraper alternation, and belt wheel transmission is conducive to mineralized froth and continuously scrapes in time, prevent secondary settlement, improves flotation recovery rate.
Description
Technical field
The invention belongs to ore dressing floatation equipment technical fields, in particular to a kind of continuously to scrape alveolitoid multilayer inflation bottom driving
Formula flotation device.
Background technique
Existing Self inhaling type flotation device is rotated by motor impeller, is generated centrifugal action and is formed negative pressure, groove body
It is internal on the one hand to suck enough air in conjunction with ore pulp, it on the one hand stirs ore pulp and is mixed with drug, while refining foam, make mine
On object adhesive foam, floats to mineral slurry level and re-form mineralized froth.Flashboard height is adjusted, liquid level is controlled, scrapes foam by scraper plate
Out.
Tradition machinery agitation type flotation machine has already appeared more and more drawbacks: (1) scrape bubble area it is small, middle part foam easily stops
Stagnant, secondary concentration effect is poor;(2) due to being rotated by impeller, centrifugal action forms negative pressure and completes inflation, and therefore, it is difficult to adjust to fill
Tolerance.In order to improve flotation efficiency, improving even innovation floatation equipment seems most important.
Design for the inflating mechanical rabbling mechanism of flotation device, from First multiple-grooved impeller stirring device in 1909,
Except the Fagergren Wemco flotation device rabbling mechanism of nineteen twenty is lateral out that remaining equipment rabbling mechanism is to stretch from top
It is stirred to bottom.But with the research and development of science and technology, the difficult point in bottom driving is protruded into (as sealing or inflation are asked from groove body lower part
Topic) it has solved, there is larger traffic zone thickness compared to traditional flotation device, the advantages that froth bed thickness is easier to control, this
Make it possible the creation of bottom driving flotation device.
Since the motor of existing flotation device and other mechanisms are on flotation cell top, the position of impeller is higher, be easy to cause
Liquid level shakiness and deep gouge phenomenon lead to the foam just easily flowing close to foam groove edge, and the foam that overflow is gone out all is new
Raw white foam.Simultaneously because of the blocking of transmission main shaft, foam is caused to be detained, rupture, target minreal falls ore pulp after rise, inhibits newborn
The floating of foam reduces mineral floating index and flotation efficiency.
Summary of the invention
In order to overcome the disadvantages of the above prior art, the inflation of alveolitoid multilayer is continuously scraped the purpose of the present invention is to provide a kind of
Existing flotation device mechanical stirring device is placed in bottom, it is timely to be conducive to mineralized froth by bottom driving formula flotation device, the flotation device
It scrapes, solves the problems, such as middle part foam stagnation and mineralized particles secondary settlement.
To achieve the goals above, the technical solution adopted by the present invention is that:
One kind continuously scraping alveolitoid multilayer inflation bottom driving formula flotation device, including flotation cell 1, flotation cell 1 are internally provided with
Mechanical stirring device 2, annulated column formula microvesicle generators 3 and float skimming device 4, which is characterized in that the mechanical stirring device 2 floats
It selects arbor 6 to protrude into slot from the bottom of flotation cell 1 to be stirred, wherein stirring region is located at mineral laden bubble froth bed or less.
The formation of froth bed: the bubble that annulated column formula microvesicle generators 3 generate is uniformly distributed in the entire disconnected of 1 groove body of flotation cell
On face, the stirring of mechanical stirring device 2 makes mineral grain carry out three-dimensional motion in ore pulp system, enhances mineral grain and bubble
Collision probability promotes the formation of mineral laden bubble.
The bottom centre of the flotation cell 1 is provided with circular hole, and circular hole is provided with hollow vertical central tube 5, and flotation arbor 6 is set
It is placed in central tube 5, lower end extends to outside groove body, and the motor 8 by being set to outside groove body drives rotation, and upper end extends to slot
Internal portion, and the impeller 9 of mechanical stirring device 2 and impeller cover 10 are installed on the upper end.
The groove body cross section of the flotation cell 1 is rectangle, and 1 lower side of the flotation cell is provided with a gape.
The snorkel 7 connecting with annulated column formula microvesicle generators 3 is fixed in 1 bottom outer wall of flotation cell to float to described
It selects and is supplied inside slot 1, the snorkel 7 is exposed to one end outside flotation cell 1 equipped with the regulating valve for controlling air inflow.
The annulated column formula microvesicle generators 3 are multilayered structure, and each layer is circular hollow pipe, and interlayer is connected with column-like paths
It connects, micropore nozzle is laid in the even circumferential aperture of each annular shape hollow pipe and column-like paths, and the snorkel 7 connects bottom
One layer of circular hollow pipe.
The annulated column formula microvesicle generators 3 are three-decker, are placed in 9 periphery of impeller and top of mechanical stirring device 2, empty
By snorkel 7, laterally indentation bottom annulus is inflated gas.
The float skimming device is that Double-scraper continuously scrapes bubble in turn, and is furnished with long stroke drive pulley, and scraper plate is symmetrically mounted on
On belt, when belt wheel rotation, one of scraper plate carries out scraping bubble operation on foam surface layer, another scraper plate is in top null
At journey, when the scraper plate for scrape bubble operation scrapes foam, when being moved at the idle stroke of top, just the scraper plate at idle stroke is moved
It moves to foam surface layer, carries out scraping bubble operation.
Compared with prior art, the beneficial effects of the present invention are:
(1) existing flotation device mechanical stirring device is placed in bottom, foam will not be hindered to move, and guarantee froth bed liquid level
Steadily, be conducive to mineralized froth continuously to scrape in time, prevent secondary settlement, and effectively solve middle part foam stagnation and the easy shape in center
The problem of at vortex, improve flotation recovery rate.Impeller only plays stirring action simultaneously, advantageously reduces wheel speed, energy saving,
And be conducive to froth bed and have constant thickness layer, reinforce the secondary concentration effect of mineralized particles, bubble is fully used, and bubble is increased
Foam layer region.
(2) bubble diameter is advantageously reduced as air charging system using cyclic annular columnar microbubble generator, reduces deep gouge area
Domain, froth bed are stably and controllable.The dispersion degree and ore pulp surface bubble of bubble can be improved as air charging system for annulated column formula microvesicle generators
The smoothness of foam layer, advantageously reduces bubble radius, thickens mixed zone in slot, bubble even dispersion in mixed zone, and
Bubble has induced effect, promotes ore pulp circulation, improves flotation engine efficiency.The stirring action of impeller and cyclic annular columnar microbubble inflation can
To solve ore particle deep gouge phenomenon, and be conducive to big and heavy ore particle to groove center movement, participate in stirring convenient for returning to impeller area;Microvesicle hair
The bubble that raw device generates can promote the floating of microfine.
(3) existing scraping plate of flotation machine is changed to Double-scraper and continuously scrapes bubble in turn, belt wheel transmission avoids traditional flotation device
Due to using upper transmission mode, resistance phenomenon of the main shaft to foam transverse movement.Be conducive to mineralized froth continuously to scrape in time,
Secondary settlement is prevented, flotation recovery rate is improved.And scraping plate of flotation machine stroke provided by the invention is long, there is newly-generated foam more
More time undergoes the refining process of secondary enrichment, therefore concentrate product sorting index is higher than co-content tradition flotation device.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention (main view).
Fig. 2 is schematic structural view of the invention (side view).
Fig. 3 is schematic structural view of the invention (top view).
Fig. 4 is annulated column formula microvesicle generators structural schematic diagram of the present invention.
Fig. 5 is float skimming device structural schematic diagram of the present invention.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
It closes attached drawing and specific embodiment and further detailed description is made to technical solution of the present invention.
With reference to Fig. 1, Fig. 2 and Fig. 3, the present invention is a kind of continuously to scrape alveolitoid multilayer inflation bottom driving formula flotation device, including floating
Slot 1 is selected, flotation cell 1 is internally provided with mechanical stirring device 2, annulated column formula microvesicle generators 3 and float skimming device 4.
The groove body cross section of flotation cell 1 is rectangle, and lower side is provided with a gape.Groove body bottom centre is provided with circle
Hole, circular hole are provided with hollow vertical central tube 5, and flotation arbor 6 is set in central tube 5, and lower end extends to outside groove body, and
Rotation is driven by the motor 8 being set to outside groove body, upper end extends to inside groove body, and the impeller 9 and impeller of mechanical stirring device 2
Cover board 10 is installed on the upper end, and 6 impeller 9 of flotation arbor is stirred in slot, wherein stirring region be located at froth bed with
Under.
With reference to Fig. 4, annulated column formula microvesicle generators 3 are three-decker, be placed in mechanical stirring device 29 periphery of impeller and on
Portion, each layer are circular hollow pipe, and interlayer is connected with three column-like paths, the circumference of each annular shape hollow pipe and column-like paths
Uniform pore openings lay micropore nozzle, and snorkel 7 is fixed in 1 bottom outer wall of flotation cell, and snorkel 7 connects bottom one layer of annulus
Shape hollow pipe, air are inflated by the circular hollow pipe of the lateral indentation bottom of snorkel 7, lead to column-like paths and on
The circular hollow pipe of layer forms uniform bubble for flotation by micropore nozzle disperse in ore pulp.Its Center Vent tube 7 exposes
One end outside flotation cell 1 is equipped with the regulating valve for controlling air inflow.
With reference to Fig. 5, float skimming device is that Double-scraper continuously scrapes bubble in turn, and is furnished with the synchronous belt pulley of long stroke, scraper plate
It is symmetrically mounted on belt, when belt wheel rotation, one of scraper plate carries out scraping bubble operation on foam surface layer, at another scraper plate
At the idle stroke of top, when the scraper plate for scrape bubble operation scrapes foam, when being moved at the idle stroke of top, just in idle stroke
The scraper plate at place is moved to foam surface layer, carries out scraping bubble operation, continuously scrapes bubble purpose to reach.
Working principle of the present invention:
After ore pulp is fed, slowly sedimentation due to gravity, air is through air compressor by snorkel 7 through ring columnar microbubble
Generator 3 is constantly pressed into, and the tiny bubble that annulated column formula microvesicle generators 3 generate is evenly distributed on the entire section of groove body.
The stirring action of device bottom impeller 9 makes mineral grain carry out three-dimensional motion in ore pulp system simultaneously, which greatly enhances
The collision probability of mineral grain and bubble promotes the formation of mineral laden bubble.Mineral laden bubble rises floating to forming stable bubble after liquid level
Foam layer can be scraped since the stirring of this floatation equipment and air charging system are respectively positioned on froth bed hereinafter, continuously scraping bubble in turn using Double-scraper
All froth pulps out effectively increase the rate of recovery of valuable mineral.Since scraper plate stroke is long, the more traditional flotation device of froth bed has
Enough residence times enhance secondary concentration effect, improve product quality.
Existing flotation device mechanical stirring device is placed in bottom by the present invention, solves middle part foam stagnation and mineralized particles two
Secondary settlement issues are conducive to improve floatation indicators.And it is advantageously reduced using cyclic annular columnar microbubble generator as air charging system
Bubble diameter, reduces deep gouge region, and froth bed is stably and controllable.Existing scraping plate of flotation machine Double-scraper is changed to simultaneously continuously to scrape in turn
Bubble, belt wheel transmission, is conducive to mineralized froth and continuously scrapes in time, prevents secondary settlement, improves flotation recovery rate.
The above is that a kind of structure of flotation device provided by the present invention is described in detail, while herein
The principle of the present invention is described, the explanation of the above working principle is merely used to help understand the core idea of the present invention.
Claims (7)
1. a kind of continuously scrape alveolitoid multilayer inflation bottom driving formula flotation device, including flotation cell (1), setting inside flotation cell (1)
There are mechanical stirring device (2), annulated column formula microvesicle generators (3) and float skimming device (4), which is characterized in that the mechanical stirring
The flotation arbor (6) of device (2) protrudes into slot from the bottom of flotation cell (1) to be stirred, and wherein stirring region is located at mineralising gas
Below bubble foam layer.
2. continuously scraping alveolitoid multilayer inflation bottom driving formula flotation device according to claim 1, which is characterized in that the flotation
The bottom centre of slot (1) is provided with circular hole, and circular hole is provided with hollow vertical central tube (5), and flotation arbor (6) is set to central tube
(5) in, lower end is extended to outside groove body, and the motor by being set to outside groove body (8) drives rotation, and upper end extends in groove body
Portion, and the impeller (9) of mechanical stirring device (2) and impeller cover (10) are installed on the upper end.
3. continuously scraping alveolitoid multilayer inflation bottom driving formula flotation device according to claim 1, which is characterized in that the flotation
The groove body cross section of slot (1) is rectangle, and the flotation cell (1) lower side is provided with a gape.
4. continuously scraping alveolitoid multilayer inflation bottom driving formula flotation device according to claim 1, which is characterized in that the flotation
The snorkel (7) connecting with annulated column formula microvesicle generators (3) is fixed in slot (1) bottom outer wall into the flotation cell (1)
Portion's gas supply, the snorkel (7) are exposed to the external one end of flotation cell (1) equipped with the regulating valve for controlling air inflow.
5. continuously scraping alveolitoid multilayer inflation bottom driving formula flotation device according to claim 4, which is characterized in that the annulated column
Formula microvesicle generators (3) are multilayered structure, and each layer is circular hollow pipe, and interlayer is connected with column-like paths, and each annular shape is hollow
Micropore nozzle is laid in the even circumferential aperture of pipe and column-like paths, and bottom one layer of snorkel (7) connection is circular empty
Heart pipe.
6. continuously scraping alveolitoid multilayer inflation bottom driving formula flotation device according to claim 4, which is characterized in that the annulated column
Formula microvesicle generators (3) are three-decker, and impeller (9) periphery and top, air for being placed in mechanical stirring device (2) pass through ventilation
Laterally indentation bottom annulus is inflated pipe (7).
7. continuously scraping alveolitoid multilayer inflation bottom driving formula flotation device according to claim 1, which is characterized in that described to scrape bubble
Device is that Double-scraper continuously scrapes bubble in turn, and is furnished with long stroke drive pulley, and scraper plate is symmetrically mounted on belt, when belt wheel rotates
When, one of scraper plate carries out scraping bubble operation on foam surface layer, another scraper plate is at the idle stroke of top, makees when scrape steeping
The scraper plate of industry scrapes foam, and when being moved at the idle stroke of top, just the scraper plate at idle stroke is moved to foam surface layer, carries out
Scrape bubble operation.
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CN201811604277.XA CN109453904A (en) | 2018-12-26 | 2018-12-26 | It is a kind of continuously to scrape alveolitoid multilayer inflation bottom driving formula flotation device |
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CN201811604277.XA CN109453904A (en) | 2018-12-26 | 2018-12-26 | It is a kind of continuously to scrape alveolitoid multilayer inflation bottom driving formula flotation device |
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CN201811604277.XA Pending CN109453904A (en) | 2018-12-26 | 2018-12-26 | It is a kind of continuously to scrape alveolitoid multilayer inflation bottom driving formula flotation device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111632768A (en) * | 2020-06-01 | 2020-09-08 | 淮北市矿环洗选成套设备有限公司 | Flotation machine with multilayer screening function |
CN112958288A (en) * | 2021-02-23 | 2021-06-15 | 平顶山华兴浮选工程技术服务有限公司 | Intelligent non-transmission flotation tank |
-
2018
- 2018-12-26 CN CN201811604277.XA patent/CN109453904A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111632768A (en) * | 2020-06-01 | 2020-09-08 | 淮北市矿环洗选成套设备有限公司 | Flotation machine with multilayer screening function |
CN112958288A (en) * | 2021-02-23 | 2021-06-15 | 平顶山华兴浮选工程技术服务有限公司 | Intelligent non-transmission flotation tank |
CN112958288B (en) * | 2021-02-23 | 2023-01-10 | 平顶山市华兴浮选工程技术服务有限公司 | Intelligent non-transmission flotation tank |
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